“altitude datum”的概念、定义、翻译、参考文献-科学参考

单词	altitude datum
释义	altitude datum [`al·tǝ´tüd ´dad·ǝm] ^ENGINEERING The arbitrary level from which heights are reckoned.
随便看	nonlinear coupler nonlinear crystal nonlinear damping nonlinear detection nonlinear device nonlinear dielectric nonlinear distortion nonlinear element nonlinear equation kilojoule kiloliter kilomega- kilomegacycle kilomegahertz kilometer kilometric wave kiloparsec kiloton kilovar kilovolt kilovolt-ampere kilovoltmeter kilovolts peak kilowatt kilowatt-hour

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